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10 February, 14:59

An upward force of 18 N is applied via a string to lift a ball with a mass of 1.5 kg.

a) what is the net force acting upon the ball?

b) what is the acceleration of the ball?

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  1. 10 February, 15:24
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    net force = applied force + gravity = 18N + (1.5kg) (-9.8m/s^2) = 3.3N

    Force=mass times acceleration

    acceleration=Force/mass

    acceleration=3.3/1.5 m/s^2

    acceleration=2.2m/s^s
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